tires MERCEDES-BENZ S CLASS 2018 Owner's Manual

Obser ve th e fo llowing when selecting, mounting
and re placing tires:R
Only use tires and wheels of th e same type
(summer tires, winter tires, MOEx te nded
tires) and th e same make.R
Only mount wheels of th e same size on one
axle (left and ri ght).
It is only permissible to ins ta ll a dif fe re nt
wheel size in th e eve nt of a fl at tire in order
to drive to th e specialist wo rk shop.R
Only mount tires of th e cor re ct size onto th e
wheels. R
Ve hicles with a tire pressure monitoring
sy st em: All moun te d wheels must be equip‐
ped with functioning sensors fo r th e tire
pressure monitoring sy st em.R
At te mp eratures below 45 °F (7 °C), use win‐
te r tires or all-season tire mar ke d M+S fo r all
wheels.
Wi nter tires bearing th e M snowflake sym‐
bol in addition to th e M+S marking pr ov ide
th e best possible grip in wintry ro ad condi‐
tions. R
Fo r M+S tires, only use tires with th e same
tread. R
Obser ve th e maximum permissible speed fo r
th e M+S tire mounted.
If th is is below th e ve hicle's maximum speed,
th is must be indicated in an appropriate label
in th e driver's fi eld of vision. R
Break in new tires at moderate speeds fo r
th e fi rs t 60 miles (100 km). R
Re place th e tires af te r six ye ars at th e latest,
re ga rd less of we ar. R
When re placing with tires that do no t fe a‐
ture ru n-flat ch aracteristics: ve hicles with
MOExtended tires are not equipped with a
TIREFIT kit at th e fa ctor y. Equip th e ve hicle
with a TIREFIT kit af te r re placing with tires
th at do not fe ature ru n-flat ch aracteristics,
e.g. winter tires.
Fo r more information on wheels and tires, con‐
ta ct a qu alified specialist wo rk shop.
Be sure to also obse rv e th e fo llowing fur th er
re lated subjects: R
No te s on tire pressure ( →
page 41 4) R
Ti re and Loading In fo rm ation placard
( →
page 420) R
Ti re size designation, load-bea ri ng capacity,
speed ra ting and load ind ex ( →
page 428)R
Ti re pressure ta ble ( →
page 41 6)
Note s on inter ch anging wheels
q
WA RNING Risk of inju ry th ro ugh dif fe r‐
ent wheel sizes
Inter ch anging th e front and re ar wheels if th e
wheels or tires ha ve dif fe re nt dimensions
may se ve re ly impair th e driving ch aracteris‐
tics.
The wheel brakes or wheel suspension com‐
ponents may also be damaged.

The we ar pat te rn s on th e front and re ar wheels
dif fe r:R
Fr ont wheels we ar more on th e shoulder of
th e tire.R
Re ar wheels we ar more in th e center of th e
tire.
On ve hicles th at ha ve th e same size front and
re ar wheels, inter ch ange th e wheels according
to th e inter va ls in th e tire manufacturer's wa r‐
ra nty book in yo ur ve hicle documents. If th is is
not av ailable, inter ch ange th e tires eve ry
3000 to 6000 miles (5000 to 10 000 km),
depending on th e we ar. Ensure th at th e direction
of ro ta tion is maintained.
It is impe ra tive to obser ve th e instructions and
saf et y no te s on "Wheel ch ange" when doing so.
Note s on st oring wheelsR
Af te r re moving wheels, st ore th em in a cool,
dry and preferably dark place. R
Pr ot ect th e tires from con ta ct wi th oil, grease
or fuel. Overview of th e tire-chan ge to ol kit
Apart from some countr y- specific va ri ants, ve hi‐
cles are not equipped with a tire-change to ol kit.
Fo r more information on whi ch tire-changing
to ols are requ ired and appr ov ed fo r per fo rm ing a
wheel ch ange on yo ur ve hicle, consult a qu alified
specialist wo rk shop.
Re qu ired tire-change to ols may include, fo r
ex ample: R
Jack R
ch ock R
Lu g wrench R
Centering pin
The tire-change to ol kit is located under th e
trunk fl oor. 1
Ra tchet 2
Centering pin
3
Ja ck ing support
4
Jack
5
Lu g wrench
6
Fo lding ch ock436
Wheels and tires

Displa y messages
Po ssible causes/consequences and P Solutions
0DOIXQFWLRQ 'ULYH DW 0D[
 PSK *T he AIR BO DY CO NTROL function is re st ri cted. The ve hicle's handling ch aracteristics may be af fe cted.
u NO TE The tires of th e front axle or th e front fe nde rs could be damaged by lar ge st eering mo ve ments

Ti re s
Displa y messages
Po ssible causes/consequences and P Solutions
w 3OHDVH &RUUHFW 7LUH 3UHV
VXUH *T he tire pressure is to o low in at least one of th e tires, or th e tire pressure dif fe re nce between th e wheels is to o
great.

Displa y messages
Po ssible causes/consequences and P Solutions
w :DUQLQJ 7LUH 0DOIXQFWLRQ *T he tire pressure in one or more tires has dropped suddenly. The wheel position is displa ye d.
q
WA RNING Risk of an accident from driving wi th a fl at tire
Flat tires are dangerous in th e fo llowing wa ys :R
The tires can ove rh eat and cause a fi re .R
The driving ch aracteristics, as we ll as st eering and braking, may be greatly impaired.
Yo u could th en lose control of th e ve hicle.

Ti re s
Wa rn ing/indicator lamp
Po ssible causes/consequences and P Solutions
w Ti re pressure monitoring
sy st em wa rn ing lamp lights
up The ye llow tire pressure monitoring sy st em wa rn ing lamp (pressure loss/malfunction) is lit.
The tire pressure monitoring sy st em has de te cted tire pressure loss in at least one of th e tires.
q
WA RNING Risk of an accident due to insuf fi cient tire pressure
Ti re pressures th at are to o low pose th e fo llowing hazards:R
The tires may bur st , especially as th e load and ve hicle speed increase.R
The tires may we ar exc essively and/or une ve nl y, which may greatly impair tire traction.R
The driving ch aracteristics, as we ll as st eering and braking, may be greatly impaired.
Yo u could th en lose control of th e ve hicle.

Wa rn ing/indicator lamp
Po ssible causes/consequences and P Solutions
w Ti re pressure monitoring
sy st em wa rn ing lamp
fl ashes The ye llow tire pressure monitoring sy st em wa rn ing lamp (pressure loss/malfunction) fl ashes fo r app ro xima te ly one
minute and th en re mains lit.
The tire pressu re monitoring sy st em is malfunctioning.
q
WA RNING The re is a ri sk of an accident if th e tire pressure monitoring sy st em is malfunctioning
If th e tire pressure monitoring sy st em is malfunctioning, it is not able to issue a wa rn ing if th ere is pressure loss in
one or more of th e tires.
Un derinflated tires ma y, fo r ex ample, impair th e driving, st eering and braking ch aracteristics.

Engine number ........................................ 44 5
Engine oil ................................................ .3 82
Ad ding ................................................ .3 82
Ad ditives ............................................ .4 49
Capacity .............................................. 450
Che ck ing th e oil le ve l using th e oil
dipstick ................................................ 381
Checking th e oil le ve l using th e on-
board computer ................................... 381
MB- Fr eigabe or MB-Appr ov al .............. .4 50
Quality ................................................. 450
ESC (Electronic St ability Control)
see ESP ®
(Electronic St ability Prog ra m)
ESP ®
Crosswind Assist ................................. 19 1
ESP ®
(Electronic St ability Prog ra m) ...... 18 9
Fu nction/no te s ................................... 18 9
Switching on/off ................................. 19 1
Exterior lighting
Care .................................................... 389
Exterior lighting
see Lights External device
Locking .............................................. .2 83
F
Fa tigue de te ction
see AT TENTION ASSIST
Favo ri te s
Ad ding ................................................ .2 73
Calling up .. .......................................... 27 3
Del et ing .............................................. .2 74
Moving ................................................ .2 74
Overview ............................................. 27 3
Re naming ............................................ 27 3
Flacon
Inserting/removing .............................. 16 1
Flat tire .................................................... .3 93
Changing a wheel ................................ 437
MOExtended tires ................................ 394
No te s .................................................. 393
TIREFIT kit .......................................... .3 95
Floor mats ................................................ 14 1
Fo lding table ............................................ 12 1 Fr ag ra nce
see Fr ag ra nce sy st em
Fr ag ra nce sy st em .................................... 16 1
Inserting/removing th e fl acon ............ .1 61
Fr ee software ............................................ 30
Fr equencies
Tw o-w ay ra dio ...... ..... ......................... .4 44
Fr eq
uency band
Dialing (on-board computer) ................ 251
Fr ont air bag (driver, front passenger) .... 38
Fr ont passenger air bag shu to ff
see Au to matic front-passenger front
air bag deactivation sy st em
Fr ont passenger head re st ra int
Ins ta lling/ re moving (chau ff eur mode) ... 97
Fr ont passenger seat
Ad justing from th e driver's seat ............ .9 1
Ad justing from th e re ar passenger
compartment ........................................ .9 1
Ins ta lling/ re moving th e head
re st ra int (chauf fe ur mode) .................... .9 7
Fu el .......................................................... .4 49
Ad ditives ............................................ .4 49Index 533

L
Labeling (tires)
see Ti re labeling
Laden
Bag hook ............................................ .1 24
No te s ................................................... 11 8
Ro of ra ck ............................................. 12 8
St ow age space under th e trunk fl oor ... 12 7
Lamp
see In te ri or lighting
Lamp (Instrument Display)
see Wa rn ing/indicator lamps
Lane Ke eping Assist
see Ac tive Lane Ke eping Assist
Language
No te s .................................................. 283
Setting ................................................ .2 83
LA TC H-type (ISOFIX) ch ild seat
attachment
Ins ta lling ................................................ 51
No te s ..................................................... 50
Le ve l control sy st em
see AIR BO DY CO NTROL see MAGIC BO DY CO NTROL
Light switch
Overview ............................................ .1 43
Lighting
see Lights
Lights ........................................................ 14 3
Ad aptive Highbeam Assist .................. .1 46
Ad justing th e instrument lighting ......... 24 7
Au to matic driving lights ....................... 14 4
Combination swit ch ............................. 14 4
Corne ri ng light function ....................... 14 6
Haza rd wa rn ing lights .......................... 14 5
Headla mp fl ashing .............................. .1 44
Hi gh beam ........................................... 14 4
Light switch ........................................ .1 43
Low beam ............................................ 14 3
Pa rk ing lights ...................................... .1 43
Re ar fo g light ....................................... 14 4
Re sponsibility fo r lighting sy st ems ...... 14 3
Setting th e sur ro und lighting .............. .1 47
St anding lights .................................... .1 43
Tu rn signal light ................................... 14 4
Limited Wa rr anty
Ve hicle .................................................. 26 Live Tr af fi c Information
Displaying subsc ri pt ion information .... 307
Displaying th e tra ff ic map .................. .3 07
Displ ay ing traf fi c incidents .................. 308
Extending a subscription ..................... 307
Issuing hazard alerts ........................... 309
Load index (ti re s) .................................... 428
Load-bearing capacity (tires) ................. 428
Loading
Definitions .......................................... .4 30
Loading guidelines ................................... 11 8
Loading information table ...................... 420
Loads
Securing .............................................. .1 18
Locking/unlocking
KEYLESS-GO .................................... ... ... 63
Un loc
king and opening doors from
th e inside ............................................. .6 2
Low beam
Swit ch ing on/off ................................ .1 43
Lu bricant additives
see Ad ditives Index 537

Mobile phone vo ice re cognition
St arting ................................................ 31 9
St opping ............................................. .3 19
Model type ............................................... 44 5
MOExtended tires .................................... 394
Multifunction camera
RO AD SUR FA CE SC AN ........................ .2 16
Multifunction display (on-board com‐
puter) ........................................................ 24 7
Multifunction st eering wheel
Overview of buttons ............................ 24 5
Multifunction st eering wheel
see St eering wheel
Multimedia sy st em ........................ .2 69, 27 7
Ac tivating/deactivating st andby
mode .................................................. .1 87
Ad justing th e vo lume .......................... .2 75
Central cont ro l elements .................... .2 69
Configu ri ng displ ay settings ............... .2 77
ENERGIZING comfort prog ra m ove r‐
view ..................................................... 289
Main functions ..................................... 27 2
Overview ............................................. 269 Re ar climate control ............................ 15 9
Re st oring th e fa ctory settings ............. 288
Setting th e fo ot we ll te mp erature ......... 15 9
St art in g th e ENE RG IZING comfort
program ............................................. .2 90
Switching th e sound on or off .............. 27 4
N
Na vigation
Calling up th e Digital Operator's
Manual ................................................ .3 14
Menu (on-board computer) .................. 250
Showing/hiding th e menu .................. .2 91
Switching on ........................................ 291
Up dating th e map data ........................ 31 3
Vo ice commands (Voice Cont ro l Sys‐
te m) ..................................................... 260
Na vigation
see Destination
see Destination entry
see Map
see Ro ute
see Ro ute guidance
see Tr af fi c information Na vigation announcements
Ac tivating/deactivating ...................... .3 02
Ad justing th e vo lume .......................... .3 03
Re peating ............................................ 304
Switching audio fa deout on/off .......... 303
Switching on/off during a phone call .. 302
Na vigation messages
On-board computer ............................. 250
Ne ar Fi eld Communication (NFC) .......... .3 17
Connecting th e mobile phone to th e
multimedia sy st em .............................. .3 17
Switching Blu et oo th ®
audio equip‐
ment .................................................... 349
Swit ch ing mobile phones .................... .3 17
Ne utral
Selecting .............................................. 17 5
NFC
see Near Field Communication (NFC)
Night vi ew
see Night Vi ew Assi st
Night Vi ew Assist ...... .. ... ......................... 235
Ac ti vating/deactivating ...................... .2 36
Au to matic activation ........................... 237
Ca re .................................................... 38854 0
Index